Function msGMLGetGroups

mapgml.c:1003–1057

}

gmlGroupListObj *msGMLGetGroups(layerObj *layer, const char *metadata_namespaces)
{
  int i;
  const char *value=NULL;
  char tag[64];

  char **names=NULL;
  int numnames=0;

  gmlGroupListObj *groupList=NULL;
  gmlGroupObj *group=NULL;

  /* allocate the collection */
  groupList = (gmlGroupListObj *) malloc(sizeof(gmlGroupListObj)); 
  MS_CHECK_ALLOC(groupList, sizeof(gmlGroupListObj), NULL) ;
  groupList->groups = NULL;
  groupList->numgroups = 0;

  /* list of groups (TODO: make this automatic by parsing metadata) */
  if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, "groups")) != NULL) {
    names = msStringSplit(value, ',', &numnames);

    /* allocation an array of gmlGroupObj's */
    groupList->numgroups = numnames;
    groupList->groups = (gmlGroupObj *) malloc(sizeof(gmlGroupObj)*groupList->numgroups);
    if (groupList->groups == NULL)
    {
        msSetError(MS_MEMERR, "Out of memory allocating %u bytes.\n", "msGMLGetGroups()",
                   sizeof(gmlGroupObj)*groupList->numgroups);
        free(groupList);
        return NULL;      
    }

    for(i=0; i<groupList->numgroups; i++) {
      group = &(groupList->groups[i]);

      group->name = msStrdup(names[i]); /* initialize a few things */
      group->items = NULL;
      group->numitems = 0;
      group->type = NULL;

      snprintf(tag, 64, "%s_group", group->name);
      if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, tag)) != NULL)
        group->items = msStringSplit(value, ',', &group->numitems);

      snprintf(tag, 64, "%s_type", group->name);
      if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, tag)) != NULL) 
      group->type = msStrdup(value);
    }

    msFreeCharArray(names, numnames);
  } 
  
  return groupList;
}

void msGMLFreeGroups(gmlGroupListObj *groupList)
{